Create and populate SSH Key and upload website build to remote server

.github/workflows/build_and_deploy.yml

@@ -38,6 +38,8 @@ jobs:
           name: build
           path: ./build/blog
 
+  # Deployment job: heavily inspired from https://swharden.com/blog/2022-03-20-github-actions-hugo/
+  # /!\ only triggers on push events
   deploy:
     needs: [build]
     if: ${{ github.event_name == 'push' }}
@@ -51,3 +53,21 @@ jobs:
         with:
           name: build
           path: build/blog
+
+      # Create the SSH key file and fill the known_hosts to avoid a prompt from ssh (1st time connecting to remote host)
+      - name: 🔐 Create Key File
+        run: |
+          mkdir ~/.ssh
+          touch ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+      - name: 🔐 Load Host Keys
+        run: |
+          echo "${{ secrets.SSH_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
+      - name: 🔑 Populate Key
+        run: |
+          echo "${{ secrets.PRIVATE_SSH_KEY }}" > ~/.ssh/id_rsa
+
+      # Finally upload the build to the remote server location: the volume shared by the nginx container serving http requests
+      - name: 🚀 Upload
+        run: |
+          rsync --archive --stats --verbose --delete ./build/blog/* ${{ secrets.CI_USER_NAME }}@iscsc.fr:${{ secrets.STATIC_WEBSITE_PATH}}